Article History
Received: 14 June 2018
Accepted: 9 July 2018
First Online: 24 July 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures in this study involving human participants were in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards and performed with permission from the Educational and Research Committee (K. N. Toosi University of Technology) under the direct supervision of the Local Medical Clinic of the university (Approval Number 290695-A/29987).
: Informed consent was obtained from all individual participants included in the study.